zyltripropylammonium chloride, benzyltriethylammonium chloride, phenyltriethylammonium chloride,tetraethylammonium chloride, tetramethylammonium chloride and the like; phosphonium salts substituted with a residue selected from the group consisting of straight or branched chain alkyl groups having 1 18 carbon atoms such as tetrabutylphosphoniumchloride and the like; and pyridinium salts substituted